i) Based on the unit hydrograph in Table Q4b, construct its S-Curve and develop a 1-hour Unit hydrograph. ii) Based on the unit hydrograph in Table Q4b, construct a new natural hydrograph that can be produced by a series of effective rainfall of 2.5cm, 1.1cm, and 0.3cm that occurred at one-hour intervals between one event and another.
i) Based on the unit hydrograph in Table Q4b, construct its S-Curve and develop a 1-hour Unit hydrograph. ii) Based on the unit hydrograph in Table Q4b, construct a new natural hydrograph that can be produced by a series of effective rainfall of 2.5cm, 1.1cm, and 0.3cm that occurred at one-hour intervals between one event and another.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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i) Based on the unit hydrograph in Table Q4b, construct its S-Curve and develop a 1-hour Unit hydrograph.
ii) Based on the unit hydrograph in Table Q4b, construct a new natural hydrograph that can be produced by a series of effective rainfall of 2.5cm, 1.1cm, and 0.3cm that occurred at one-hour intervals between one event and another.
![b) The 30-minutes Unit Hydrograph of a 2.1 km²2 catchment area is shown in Table
Q4b.
Time (min) 0
[Masa]
Flow (m³/s)
[Kadar alir]
0
30
1.4
Table Q4b. UH-30 Minutes
60 90 120
3.2 1.0 0.5
150 180 210 240
0.4 0.3 0.1 0.0](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa51e933b-ba3d-42c9-b6cc-7bf0377c4bf9%2Ff509ca4c-68fd-4e6e-88c6-109917ce3873%2Fx57qmqa_processed.png&w=3840&q=75)
Transcribed Image Text:b) The 30-minutes Unit Hydrograph of a 2.1 km²2 catchment area is shown in Table
Q4b.
Time (min) 0
[Masa]
Flow (m³/s)
[Kadar alir]
0
30
1.4
Table Q4b. UH-30 Minutes
60 90 120
3.2 1.0 0.5
150 180 210 240
0.4 0.3 0.1 0.0
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